Air Force Uncovers Cheating Among Nuclear-Missile Crews

Officials Say Incident Has Not Compromised Security of Nuclear Forces

The Air Force has uncovered a large-scale cheating scandal in its ranks of airmen manning the nation's intercontinental ballistic missile force at a base in Montana, the latest incident involving wrongdoing in the nation's nuclear force.

Air Force officials said the incident hadn't compromised the security of the nation's nuclear forces, but ordered that the ICBM crews be retested. So far, the retesting has yielded a pass rate of 97%,...